annameghan
annameghan
03-10-2017
Mathematics
contestada
rationalize the denominator of (click photo)
Respuesta :
liemonder
liemonder
03-10-2017
[tex]\frac{\sqrt{-49}}{(7-2i)-(4+9i)}=\\ \frac{\sqrt{-1*7*7}}{3-11i}=\\ \frac{7i}{3-11i}*\frac{3+11i}{3+11i}=\\ \frac{(7i)*(3+11i)}{3^2-(11i)^2}=\\ \frac{21i+77i^2}{9+121}=\\ \frac{21i-77}{130}=\\ \frac{-77+21i}{130}[/tex]
so it is the last option
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
The surface area of a cone is 43.75 what is the slant height of the cone ?
PLZZZZZZXZZXXX HELP
In which one or more of the following is the earth assumed to be the center of the universe?
Which statement about the data is true? 724, 727, 996, 712, 725, 704, 730, 710 The mean, median, and mode are all appropriate measures of center. Both the mean
Ben is preparing a package to mail to his friend in Switzerland. The parcel service he is using demands that his package be no greater than 55 cm on any side. I
Which of the following is a word borrowed from the English language and used in the Spanish language? el poncho el champú la piñata el jalapeño
Contrast solid nonmetals and solid metals.
How do gas laws apply to breathing?
Choose a logical statement. Japanese help please!
The Tang Dynasty of china, the Gupta Empire of India, and the Mali Empire of Africa were similar in that each experience a period of what?
